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Chapter 15. Interactivity

And then the Windows failed—and then I could not see to see

—Emily Dickinson, "I heard a Fly buzz—when I died"

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          Recipe 15.1.  Parsing Program Arguments
          Recipe 15.2.  Testing Whether a Program Is Running Interactively
          Recipe 15.3.  Clearing the Screen
          Recipe 15.4.  Determining Terminal or Window Size
          Recipe 15.5.  Changing Text Color
          Recipe 15.6.  Reading Single Characters from the Keyboard
          Recipe 15.7.  Ringing the Terminal Bell
          Recipe 15.8.  Using POSIX termios
          Recipe 15.9.  Checking for Waiting Input
          Recipe 15.10.  Reading Passwords
          Recipe 15.11.  Editing Input
          Recipe 15.12.  Managing the Screen
          Recipe 15.13.  Controlling Another Program with Expect
          Recipe 15.14.  Creating Menus with Tk
          Recipe 15.15.  Creating Dialog Boxes with Tk
          Recipe 15.16.  Responding to Tk Resize Events
          Recipe 15.17.  Removing the DOS Shell Window with Windows Perl/Tk
          Recipe 15.18.  Graphing Data
          Recipe 15.19.  Thumbnailing Images
          Recipe 15.20.  Adding Text to an Image
          Recipe 15.21.  Program: Small termcap Program
          Recipe 15.22.  Program: tkshufflepod
          Recipe 15.23.  Program: graphbox

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